15 Best Data Transformation Companies in the UK (2026)
In the fast-moving UK tech scene, top data transformation companies stand out for turning complex data challenges into clear advantages. These agencies work with enterprises and ambitious startups alike, building robust pipelines and modern platforms that make data more accessible, reliable, and actionable. With deep expertise in cloud migration, integration, and analytics, they help organisations stay competitive while cutting through legacy limitations.
What truly sets these companies apart is their commitment to quality engineering and real business outcomes. They focus on scalable solutions that support long-term growth, seamless automation, and intelligent decision-making. Whether modernising existing systems or creating fresh data strategies from the ground up, these UK-based teams bring reliability and innovation that clients can count on.
1. OSKI Solutions
OSKI Solutions delivers custom software development with a focus on data transformation in the UK. We help businesses modernise processes through cloud migration and legacy system modernization using .NET, Node.js, C# and PHP while maintaining strong connections to the UK market needs and local compliance standards. Solutions support efficient data handling with SQL Server, PostgreSQL, MySQL, MongoDB and DynamoDB across various industries.
Our approach includes API integration and microservice architecture to create smooth data flows. This fits well with UK companies looking for practical ways to improve their systems without unnecessary complexity. The emphasis stays on reliable outcomes that align with specific business requirements in the region.
Key Highlights:
Focuses on legacy system modernization
Supports cloud migration projects
Builds microservice architecture
Handles API integration work
Services:
Data transformation
Custom software development
Cloud migration
Legacy system modernization
API integration
Contact Information:
Website: oski.site
Phone: +48571282759
Email: [email protected]
Address: Kaupmehe tn 7, 10114 Tallinn, Estonia
LinkedIn: www.linkedin.com/company/oski-solutions
Data Transformation in the UK
Transform legacy data systems into modern, efficient platforms with seamless integration, secure processing, and actionable insights for better business decisions.
2. Azilen
Azilen operates as a UK digital transformation company focused on modernising legacy systems and digitising critical processes for enterprises. The company builds customer-centric journeys through an AI-driven approach that strengthens efficiency and supports sustainable growth. They emphasise compliant execution across projects while partnering closely with clients to address specific business needs in areas like product engineering and data work.
The agency delivers solutions in intelligent automation, experience engineering, and integration alongside middleware capabilities. Azilen works with various sectors including banking, financial services, insurance, retail, e-commerce, consumer goods, transport, logistics, and hospitality. Their process digitization efforts and legacy system modernization help organisations adapt to changing demands while maintaining focus on innovation as a service where appropriate.
Key Highlights:
Modernises legacy systems for UK enterprises
Digitises critical business processes
Builds customer-centric digital journeys
Delivers AI-driven transformation outcomes
Services:
Product Engineering
Intelligent Automation
Experience Engineering
Data & AI Engineering
Integration & Middleware
Digital Strategy & Consulting
Contact Information:
Website: www.azilen.co.uk
Phone: +44-203-773-1252
Email: [email protected]
Address: 71-75 Shelton Street, Covent Garden, London, United Kingdom, WC2H 9JQ
LinkedIn: www.linkedin.com/company/azilen-technologies-pvt-ltd
Facebook: www.facebook.com/AzilenTechnologies
Twitter: x.com/AzilenTech
Instagram: www.instagram.com/azilentech
3. net-devs
net-devs delivers enterprise development across multiple stacks including .NET and Python with SOLID principles. The company integrates practical AI into products and workflows using approaches like RAG and agents. They handle cloud and platform engineering on Azure, AWS or GCP with infrastructure as code. The agency works on modern front-end solutions with React and TypeScript.
The company modernises legacy systems incrementally without big rewrites and provides dedicated engineering teams. net-devs offers fractional technology leadership and builds solutions for specific industries like fintech and healthcare. They conduct AI-accelerated audits and create modernisation roadmaps. The agency combines senior engineers with AI augmentation across practice areas to fit client problems.
Key Highlights:
Builds enterprise development systems
Integrates practical AI solutions
Handles cloud architecture
Modernises legacy systems
Provides dedicated teams
Services:
AI Engineering
Cloud & Platform
Modern Front-end
Enterprise Development
Contact Information:
Website: net-devs.com
Phone: +48 571 282 759
Email: [email protected]
Address: Obrzeżna 1D, 02-691 Warszawa
LinkedIn: www.linkedin.com/company/net-devs
4. Synetec
Synetec provides consultancy-led data transformation services that help organisations manage, govern, and present their data effectively. The company focuses on building data ecosystems that support innovation, compliance, and clearer decision-making. They start projects by understanding core business goals and pain points to align data strategies with broader vision.
The agency handles data governance with centralised policies and compliance frameworks while creating intuitive visualisation tools such as dashboards and portals. Synetec works across phases from discovery to MVP delivery and supports areas like data warehousing and integration. Their approach minimises disruption and aims for measurable outcomes in data-related projects.
Key Highlights:
Offers end-to-end data transformation
Provides strategic consultancy support
Implements data governance frameworks
Develops custom data visualisation solutions
Services:
Data Consultancy
Data Governance
Data Visualisation
Software Development
Database Development
Contact Information:
Website: www.synetec.co.uk
Phone: +44 (0) 2081 444 206
Email: [email protected]
Address: Second Floor, 2 Lime Street, London, EC3M 7AT
LinkedIn: www.linkedin.com/company/synetec
Twitter: x.com/SynetecUK
5. Geeks Ltd
Geeks Ltd delivers data transformation services that clean, structure, and align data from disconnected systems. The company converts raw or inconsistent information into trusted datasets suitable for analysis, migration, or automation. They combine technical expertise with practical business workflow understanding to create tailored engagements.
The agency designs custom ETL pipelines and supports system consolidations or cloud moves while building modern data warehouses. Geeks Ltd uses frameworks and tools to accelerate results and reduce risks in fragmented environments. Their work focuses on aligning transformations with specific organisational goals for better operational performance.
Key Highlights:
Cleans and structures messy data
Supports cloud migration projects
Builds modern data warehouses
Creates custom ETL pipelines
Services:
Solution Design & Discovery
Data Strategy Consulting
AI Software Development
Web App Development
Contact Information:
Website: www.geeks.ltd
Phone: +44 203 507 0033
Email: [email protected]
Address: 6 Sutton Park Rd, Sutton, London, SM1 2GD
LinkedIn: www.linkedin.com/company/geeks-ltd
Instagram: www.instagram.com/geeksltd
6. Agile Solutions
Agile Solutions offers data integration and transformation capabilities as part of their data engineering services. The company works with both established and modern cloud technologies to help clients realise the full potential of their data assets. They design data repositories and implement warehouses using dimensional modelling approaches.
The agency develops integration pipelines including ETL and streaming options while supporting data lakes and governance processing. Agile Solutions configures components into complete data platforms and explores emerging areas like ML augmented pipelines. Their focus remains on deploying and developing data engineering roadmaps across different technology environments.
Key Highlights:
Designs data repositories and warehouses
Builds integration and streaming pipelines
Implements data governance processing
Supports cloud native deployments
Services:
Data Platforms & Engineering
Data Strategy
Governance and Advisory
Visualisation, Analytics & Insight
Contact Information:
Website: agile.co.uk
Phone: 01908 010618
Address: 454 Exchange House, CBX1 Midsummer Boulevard, Central Milton Keynes, Milton Keynes, MK9 2EA
LinkedIn: www.linkedin.com/company/agile-gb
7. 21century.tech
21century.tech operates as an AI-native software studio that builds production software with senior engineers paired with AI tools. The company focuses on faster delivery by having AI handle scaffolding, boilerplate, tests and documentation while humans manage architecture and reviews. They ship MVPs quickly through this approach and maintain full human ownership of outcomes. The agency emphasises senior-grade quality with startup speed in their process.
The company starts projects with a brief from the client and aligns on scope before building with daily demos. 21century.tech deploys production-grade code with CI/CD and tests to client infrastructure. They avoid replacing engineers and instead provide leverage through AI augmentation on every task. The agency delivers scoped proposals quickly after initial contact without lengthy sales processes.
Key Highlights:
Pairs engineers with AI models
Handles architecture and code review
Ships MVPs in short timeframes
Maintains human ownership
Uses daily demos for progress
Services:
AI-augmented Software Development
Production Software Building
Code Generation Support
Contact Information:
Website: 21century.tech
Email: [email protected]
8. Claritas Solutions
Claritas Solutions provides data transformation services that turn raw data into actionable insights for business decision-making. The company works with data cleansing, integration, advanced analytics, and visualisation techniques. They collaborate closely with clients to address specific goals and challenges through expert analysis.
The agency leverages specialised knowledge in data management to optimise assets and support strategic growth. Claritas Solutions handles large data volumes with efficient tools while maintaining focus on quality and integrity throughout processes. Their solutions help organisations gain clearer patterns and trends from complex datasets.
Key Highlights:
Performs data cleansing and integration
Supports advanced analytics work
Delivers data visualisation capabilities
Ensures data quality and integrity
Services:
Data Services
Software Engineering
Cloud Managed Services
IT Consultancy
Contact Information:
Website: claritas-solutions.co.uk
Phone: 0330 333 88 30
Email: [email protected]
Address: 2 Deighton Close, Wetherby, West Yorkshire, LS22 7GZ
LinkedIn: www.linkedin.com/company/claritas-solutions
Facebook: www.facebook.com/claritassolutions
Twitter: x.com/claritassol
Instagram: www.instagram.com/claritassolutions
9. Modular Data
Modular Data focuses on data-driven digital transformation initiatives that align with business objectives. The company offers capabilities in data maturity assessment and strategy development to support innovation efforts. They work with data mesh approaches and provide data masking solutions for security needs. The agency supports end-to-end digital transformation processes from planning through to implementation.
The company helps organisations improve data maturity using their framework and delivers roadmaps for ongoing enhancements. Modular Data develops value-driven data strategies that prioritise initiatives based on business goals. They decentralise data architecture through data mesh implementations and apply masking techniques to protect sensitive information. The agency partners throughout the full transformation journey while keeping efforts focused on measurable outcomes.
Key Highlights:
Assesses data maturity levels
Develops data strategies aligned to goals
Implements data mesh architectures
Applies data masking techniques
Supports end-to-end transformation
Services:
Data Governance
Applied Innovation and AI
Data Remediation
Democratising Data
Contact Information:
Website: modulardata.co.uk
Phone: 0203 43 22 771
Address: 35 Ballards Lane, London, N3 1XW, United Kingdom
LinkedIn: www.linkedin.com/company/modulardata
10. Synergi Tech
Synergi Tech delivers digital transformation services for UK businesses seeking to modernise operations and adopt new technologies. The company combines strategic consulting with practical implementation across cloud migration and process automation projects. They handle legacy system modernisation and create custom software solutions tailored to specific needs. The agency develops digital strategies and roadmaps that prioritise quick wins alongside longer-term changes.
The company implements data-driven decision-making tools including analytics and reporting systems. Synergi Tech works on system integration and mobile application development while providing ongoing support after initial projects. They focus on cloud infrastructure modernisation and business process automation to improve efficiency. The agency maintains partnerships with major platforms and holds relevant certifications for their work.
Key Highlights:
Handles cloud migration projects
Automates business processes
Modernises legacy systems
Develops digital strategies
Builds custom software solutions
Services:
Software Development
Cloud Management
Managed IT Services
Automation Development
System Integration & APIs
Contact Information:
Website: synergitech.co.uk
Phone: 0330 120 2626
Email: [email protected]
Address: Technology House, Lime Kiln Way, Lincoln, LN2 4US
LinkedIn: www.linkedin.com/company/synergi-tech-ltd
11. YCP
YCP provides data transformation consulting services in the United Kingdom to address challenges like legacy systems and regulatory compliance. The company conducts current-state assessments and develops target data operating models for clients. They support capability enablement and create transformation roadmaps that guide implementation steps. The agency focuses on business-driven strategies that turn data into actionable insights.
The company works on big data analysis and offers AI and RPA implementation support alongside digital marketing and CRM efforts. YCP delivers company-wide PMO services within data transformation contexts and ensures practical enablement for data-driven cultures. They maintain an end-to-end view of projects while collaborating closely during execution phases across various industries.
Key Highlights:
Conducts current-state assessments
Develops target operating models
Supports capability enablement
Creates transformation roadmaps
Implements AI and RPA solutions
Services:
Big Data Analysis
AI/RPA Implementation Support
Digital Marketing/CRM
Company-wide PMO
Contact Information:
Website: ycp.com
Phone: +44 2080506888
Address: Robert Robinson Ave, Littlemore, Oxford OX4 4GP, UK
12. Simpson Associates
Simpson Associates unlocks strategies for data integration and empowers teams to make data-driven decisions. The company provides infrastructure and security solutions alongside data engineering and integration services. They offer AI and data science capabilities with a focus on analytics and visualisation work. The agency operates through partnerships and managed services to support ongoing transformation journeys.
The company delivers advisory support for data strategy and governance while implementing modern data platforms. Simpson Associates conducts proof of concept work and art of the possible workshops around AI applications. They provide managed services for continuous improvement and knowledge transfer during transitions. The agency works across advise, transition, and transform phases to build long-term partnerships.
Key Highlights:
Delivers data engineering and integration
Supports AI and data science initiatives
Provides infrastructure and security solutions
Offers data analytics and visualisation
Manages ongoing transformation support
Services:
Data Analytics & Visualisation
Infrastructure & Security
AI & Data Science
Data Engineering & Integration
Contact Information:
Website: www.simpson-associates.co.uk
Phone: +44 (0) 1904 234 510
Email: [email protected]
Address: Suite 3B, 20 George Hudson Street, York YO1 6WR
LinkedIn: www.linkedin.com/company/simpson-associates
Twitter: x.com/simassoc
13. PixelPlex
PixelPlex offers digital transformation consulting to help businesses streamline workflows and automate tasks. The company creates joined-up digital strategies and product roadmaps based on specific client needs. They perform technology analysis and support solution development projects across multiple sectors. The agency focuses on business intelligence capabilities within transformation efforts.
The company conducts discovery sessions to understand requirements before moving into strategy and implementation phases. PixelPlex works with healthcare, fintech, logistics, retail, construction, and real estate industries. They emphasise improved operational efficiency through digital solutions while addressing legacy system challenges. The agency provides full-stack consultancy resources tailored to different infrastructure setups.
Key Highlights:
Creates digital strategies and roadmaps
Performs technology analysis
Supports solution development
Conducts discovery sessions
Delivers business intelligence work
Services:
Business Consulting
Enterprise Software Consulting
IT Strategy
Contact Information:
Website: pixelplex.co.uk
Phone: +44 20 4538 8887
Email: [email protected]
Address: Kemp House, 152 - 160 City Road London EC1V 2NX, UK
LinkedIn: www.linkedin.com/company/pixelplex-inc
Facebook: www.facebook.com/pixelplex.inc
Twitter: x.com/pixelplexinc
14. Hitachi Solutions
Hitachi Solutions brings together data from different systems to create a single point of truth. The company supports advanced analytics use cases including machine learning and AI through their experienced teams. They focus on business intelligence and data warehousing to align information with organisational challenges. The agency works with Microsoft technologies such as Power BI for reporting and operational insights.
The company manages data governance and security from source to dashboard while tracking quality and usage. Hitachi Solutions implements scalable solutions using cloud-based technology like Azure Data Bricks and Synapse Analytics. They embed machine learning in business processes to support decision making. The agency combines business and technical expertise across various sectors and maintains strong Microsoft partnerships for transformation projects.
Key Highlights:
Combines data into single sources
Supports machine learning initiatives
Implements data warehousing solutions
Tracks data quality and usage
Embeds analytics in processes
Services:
Business Intelligence
Data Warehousing
Advisory
Business Transformation
Contact Information:
Website: www.hitachi-solutions.co.uk
Phone: +44 (0)204 526 8510
Address: 110 Bishopsgate, 23rd Floor, London, EC2N 4AY
LinkedIn: www.linkedin.com/company/hitachi-solutions-europe
15. SoftPro
SoftPro develops custom software solutions using technologies like Azure and the Microsoft stack. The company creates web applications that are responsive and scalable with frameworks such as React and Node.js. They provide cloud development services including migrations and infrastructure management on platforms like AWS and Azure. The agency delivers AI-driven solutions focused on machine learning and automation.
The company assists businesses with modernising processes through full-stack development expertise. SoftPro builds applications that integrate seamlessly and drive efficiency in operations. They focus on frontend, backend and CMS platforms for tailored outcomes. The agency maintains a client-oriented approach in their software projects across different business needs.
Key Highlights:
Builds custom software solutions
Develops web applications
Supports cloud development
Implements AI solutions
Uses Microsoft technologies
Services:
Web Application Development
Cloud Development
Artificial Intelligence
Software Development
Contact Information:
Website: soft-pro.pl
Phone: +48 571 282 759
Address: Poland, Warsaw, Mazowieckie Voivodeship, 13 Erasmus Ciołka St. 401
LinkedIn: www.linkedin.com/in/kyrylo-o
Conclusion
Choosing the right partner for data transformation in the UK can feel like a big step, especially when so much rides on how well your systems actually work in practice. What stands out across these companies is their focus on turning messy, scattered data into something practical that supports real decisions and smoother operations. It’s less about flashy tech and more about solid engineering that fits your specific setup and grows with you.
In the end, success often comes down to finding that balance between technical capability and a genuine understanding of your challenges. The UK market has plenty of capable teams who know how to modernise legacy environments while keeping things secure and compliant. Take time to look at how they approach projects, then reach out for a conversation. The right fit makes the whole process feel collaborative and worthwhile.